Can you recognize which ones are hostels and which are hotels?

It's a quite challenging test from bloomberg.com shows the trend of blurring the lines between hostels and hotels, which can be both smartly designed.

Here's what they say about us: "This boho-style property in St. Petersburg has an expansive (and modern) communal kitchen for shared meals, along with whitewashed beds that look straight out of a Russian doll house. The location, a few blocks from St. Isaac’s Cathedral and the Hermitage, is as tough to beat as the price: $90 for a private double."